Which statement correctly compares Photosystem II and Photosystem I?

• A. Photosystem II is responsible for NADPH formation, while Photosystem I splits water molecules.
• B. Photosystem I absorbs photons first, followed by Photosystem II.
• C. Photosystem I and II have identical roles in the light-dependent reactions.
• D. Photosystem II initiates the light-dependent reactions by absorbing photons, while Photosystem I contributes to NADPH formation.

Answer: (D)